airglow
noun
airglow is spelled A-I-R-G-L-O-W: 7 letters and 2 syllables. It appears about once in every 30 million words in written English, the 167,786th most frequent word form (wordfreq, 2021 data). As a noun, airglow means “A faint illumination in the sky due to photochemical luminescence in the upper atmosphere, now rarely observed by earthbound humans without the…” (English Wiktionary, September 2026). The plural of airglow is airglows.
How many letters and syllables are in airglow?
| Letters | 7: A-I-R-G-L-O-W |
|---|---|
| Syllables | 2 (from its American pronunciation) |
| In writing | about once in every 30 million words; the 167,786th most frequent word form |
| Wrong spellings searched | none measured in search |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation and the CMU Pronouncing Dictionary; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How common is airglow?
Airglow appears about once in every 30 million words in written English, the 167,786th most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How do you pronounce airglow?
Airglow has 2 syllables (counted from its American pronunciation in the CMU Pronouncing Dictionary).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Forms of airglow
- airglows plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does airglow mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
A faint illumination in the sky due to photochemical luminescence in the upper atmosphere, now rarely observed by earthbound humans without the assistance of instruments.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Where does airglow come from?
From air + glow.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).